llm-echo 0.5a0

Release: llm-echo 0.5a0 (https://github.com/simonw/llm-echo/releases/tag/0.5a0) • New -o thinking 1 option to help test against LLM 0.32a0

Release: llm-echo 0.5a0 (https://github.com/simonw/llm-echo/releases/tag/0.5a0)

• New -o thinking 1 option to help test against LLM 0.32a0 (https://llm.datasette.io/en/latest/changelog.html#a0-2026-04-28) and higher.

This plugin provides a fake model called “echo” for LLM which doesn’t run an LLM at all - it’s useful for writing automated tests. You can now do this:

uvx –with llm==0.32a1 –with llm-echo==0.5a0 llm -m echo hi -o thinking 1

This will fake a reasoning block to standard error before returning JSON echoing the prompt.

    Tags: llm (https://simonwillison.net/tags/llm)
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